Comparing breast cancer biology at first diagnosis and recurrence
Part of Cancer, Skin clinical trials.
This study looks at whether the biology (tumor markers) of your breast cancer recurrence matches the biology of your original tumor. It may help explain why your cancer came back and guide future treatment choices.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You must be 18 years old or older.
- You have had a breast cancer recurrence after completing your initial treatment.
- A biopsy (tissue sample) was taken from the recurrence site and tested for its biology (tumor markers).
- Your breast cancer did not spread to distant organs when it was first diagnosed.
- You have not had another type of cancer (double malignancy).
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
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